/* ==========================================
   SWITCHER PAGE
   ========================================== */

.switcher-page {
    padding: 3rem 0 5rem;
}

.switcher-heading {
    margin: 0 0 2rem;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
}

/* MAIN LAYOUT */

.switcher-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.8fr) minmax(280px, 1fr);
    gap: 2.5rem;
    align-items: start;
}


/* PROGRAM MONITOR */

.program-monitor {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;

    background: #000;
    border: 3px solid #444;
}

.program-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;

    object-fit: contain;
    background: #000;

    opacity: 0;
    visibility: hidden;
    transition: none;
}

.program-video.active {
    opacity: 1;
    visibility: visible;
}

.program-placeholder {
    position: absolute;
    inset: 0;

    display: flex;
    justify-content: center;
    align-items: center;

    background: #050505;
    color: #404c58;
    font-size: 3rem;
}

.program-placeholder.hidden {
    display: none;
}


/* MONITOR LABEL */

.monitor-label {
    display: flex;
    align-items: center;
    justify-content: space-between;

    min-height: 30px;
    background: #414141;
    color: #fff;

    font-size: 0.85rem;
    text-align: center;
}

.monitor-tally {
    width: 14px;
    height: 100%;
    min-height: 30px;
}

.monitor-tally.red {
    background: #ff3030;
}

.monitor-tally.green {
    background: #00c879;
}


/* PROJECT INFORMATION */

.switcher-sidebar {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 2rem;
    min-height: 100%;
}

.switcher-project-info h2 {
    margin: 0 0 1rem;
    font-family: var(--font-heading);
    font-size: 1.6rem;
}

.switcher-project-info p {
    color: var(--color-text-muted);
    line-height: 1.7;
}

.project-detail-line {
    margin-top: 0.75rem;
    color: var(--color-text-subtle);
    font-size: 0.85rem;
}

/* SOURCE GRID */

.switcher-sources {
    margin-top: 2rem;
}

.source-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
}

.source-button {
    display: block;
    width: 100%;
    padding: 0;

    background: transparent;
    color: var(--color-text);

    border: 0;
    text-align: left;
    cursor: pointer;
}

.source-thumbnail {
    position: relative;
    display: block;
    aspect-ratio: 16 / 9;
    overflow: hidden;

    background: #000;
    border: 3px solid #414141;

    transition: border-color 150ms ease;
}

.source-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.source-name {
    display: block;
    padding: 0.55rem 0.25rem;
    font-size: 0.85rem;
    font-weight: 600;
}

.source-button.is-preview .source-thumbnail {
    border-color: #00c879;
}

.source-button.is-program .source-thumbnail {
    border-color: #ff3030;
}

/* If a source is both selected and on air,
   program takes priority visually. */
.source-button.is-preview.is-program .source-thumbnail {
    border-color: #ff3030;
}

.source-button:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 5px;
}
.source-button:not(.is-program):hover .source-thumbnail {
    border-color: var(--color-accent);
}

.source-button:not(.is-program):hover .source-name {
    color: var(--color-accent);
}

/* ==========================================
   PROGRAM PLAYBACK CONTROLS
   ========================================== */

.program-playback {
    display: flex;
    align-items: center;
    gap: 0.75rem;

    min-height: 48px;
    padding: 0.5rem 0.75rem;

    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-top: none;
}

.playback-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    flex-shrink: 0;

    width: 32px;
    height: 32px;

    padding: 0;
    border: none;
    border-radius: var(--radius-sm);

    background: transparent;
    color: var(--color-text);

    font-size: 0.9rem;

    transition:
        color var(--transition-fast),
        background var(--transition-fast);
}

.playback-button:hover:not(:disabled) {
    color: var(--color-accent);
    background: var(--color-surface-2);
}

.playback-button:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.playback-time {
    flex-shrink: 0;

    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-variant-numeric: tabular-nums;
}

.video-progress {
    --progress: 0%;

    flex: 1;
    min-width: 0;
    height: 6px;

    appearance: none;
    -webkit-appearance: none;

    border-radius: 999px;

    background: linear-gradient(
        to right,
        var(--color-accent) var(--progress),
        var(--color-border-light) var(--progress)
    );

    cursor: pointer;
}

.video-progress::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;

    width: 13px;
    height: 13px;

    border: 2px solid var(--color-accent);
    border-radius: 50%;

    background: var(--color-bg);
}

.video-progress::-moz-range-thumb {
    width: 11px;
    height: 11px;

    border: 2px solid var(--color-accent);
    border-radius: 50%;

    background: var(--color-bg);
}

.video-progress:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.video-progress:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 5px;
}

/* ==========================================
   SOURCE STATUS LABELS
   ========================================== */

.source-thumbnail {
    position: relative;
}

.source-status {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    z-index: 2;

    display: none;

    padding: 0.3rem 0.55rem;
    border-radius: 3px;

    color: #fff;
    font-family: var(--font-heading);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    line-height: 1;
}

/* Currently playing */
.source-status.status-program {
    display: inline-flex;
    background: #e63232;
}

/* ==========================================
   HOMEPAGE SWITCHER
   ========================================== */

.home-work .switcher-layout {
    margin-top: 1.5rem;
}

.switcher-instructions {
    margin: 0 0 1.5rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.home-work .switcher-project-info h3 {
    margin: 0 0 1rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
}

.switcher-project-link {
    margin-top: 1rem;
}

.home-work .switcher-sources {
    margin-top: 1.5rem;
}

.home-work .source-grid {
    gap: 1rem;
}

.home-work .source-name {
    font-size: 0.8rem;
}
/* Indicate a video is loading */
.source-button.is-loading .source-thumbnail {
    border-color: var(--color-accent);
}

.source-button.is-loading .source-thumbnail::after {
    content: "";
    position: absolute;
    inset: 0;

    background: rgba(0, 0, 0, 0.35);
    pointer-events: none;
}


/* ==========================================
   MOBILE SWITCHER
   ========================================== */

@media (max-width: 900px) {

    .home-work .switcher-layout {
        display: flex;
        flex-direction: column;
    }

    .home-work .program-section,
    .home-work .switcher-sidebar {
        width: 100%;
    }

    .home-work .switcher-sidebar {
        gap: 1.5rem;
    }

}

@media (max-width: 600px) {

    .home-work .source-grid {
        grid-template-columns: repeat(4, minmax(155px, 1fr));
        gap: 0.75rem;

        overflow-x: auto;
        padding-bottom: 0.75rem;

        scroll-snap-type: x proximity;
    }

    .home-work .source-button {
        scroll-snap-align: start;
    }

    .home-work .switcher-controls {
        grid-template-columns: 1fr 1fr;
    }

}


/* Mobile */
@media (max-width: 600px) {
    .source-status {
        top: 0.35rem;
        left: 0.35rem;
        padding: 0.25rem 0.4rem;
        font-size: 0.55rem;
    }
}


@media (max-width: 600px) {
    .program-playback {
        gap: 0.4rem;
        padding: 0.4rem 0.5rem;
    }

    .playback-time {
        font-size: 0.65rem;
    }

    .playback-button {
        width: 28px;
        height: 32px;
    }
}



/* RESPONSIVE */

@media (max-width: 900px) {
    .switcher-layout {
        grid-template-columns: 1fr;
    }

    .switcher-sidebar {
        min-height: auto;
    }

    .source-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {
    .switcher-page {
        padding-top: 2rem;
    }

    .switcher-layout {
        gap: 1.5rem;
    }

    .source-grid {
        gap: 0.75rem;
    }

    .source-thumbnail {
        border-width: 2px;
    }

    .switcher-controls {
        gap: 0.75rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .source-thumbnail,
    .switcher-button {
        transition: none;
    }
}